#include <iostream>

#include "../comm/httplib.h"
#include "oj_control.hpp"

using namespace httplib;
using namespace ns_control;

static Control* ctrl_ptr = nullptr;

void Recovery(int signo)
{
    ctrl_ptr->RecoveryMachine();
}

int main()
{
    signal(SIGQUIT, Recovery);
    //用户请求的服务路由功能
    Server svr;
    Control ctrl;
    ctrl_ptr = &ctrl;
    //获取所有的题目列表
    svr.Get("/all_questions", [&ctrl](const Request& req, Response &resp){
        //返回一张包含有所有题目的html网页
        std::string html;
        ctrl.AllQuestions(&html);
        resp.set_content(html, "text/html;charset=utf-8");
    });

    //用户要根据题目编号，获取题目的内容
    // /question/100 -> 正则匹配
    // R"()"， 原始字符串raw string,保持字符串内容的原貌，不用做相关的转义
    svr.Get(R"(/question/(\d+))", [&ctrl](const Request& req, Response &resp){
        std::string number = req.matches[1]; // 拿到题号
        std::string html;
        ctrl.Question(number,&html);
        resp.set_content(html, "text/html;charset=utf-8");
    });

    //用户提交代码，使用我们的判题功能(1.每道题的测试用例 2.compile_and_run)
    svr.Post(R"(/judge/(\d+))", [&ctrl](const Request& req, Response &resp){
        std::string number = req.matches[1]; // 拿到题号
        std::string result_json;
        ctrl.Judge(number, req.body, &result_json);
        resp.set_content(result_json, "application/json;charset=utf-8");
        // resp.set_content("指定题目的判题: " + number, "text/plain;charset=utf-8");
    });

    svr.set_base_dir("./wwwroot");

    svr.listen("0.0.0.0", 8080);
    return 0;
}